Allinson is a surname. Notable people with the surname include:
Adrian Allinson, British painter Alex Allinson, Manx politician Alfred Richard Allinson, British academic Anna Allinson, German-born painter and social reformer Bertrand P. Allinson, British physician Darren Allinson, Welsh rugby union player Francesca Allinson, English polymath Ian Allinson, English footballer Leonard Allinson, British diplomat Lloyd Allinson, English footballer Mark Allinson, British historian Michael Allinson, British-American actor Robert Allinson, American philosopher Richard Allinson, British broadcaster Thomas Allinson, British doctor Vera Allinson, British screenwriter